This is another error, alongside the now-well-known "Light Finish" Kennedy Half Dollar error, for the 2018 S Silver Reverse Proof Set. Yes, there are some DDO's, Strike throughs from the set posted on ebay. The light finish (1000's NGC, PCGS, ANACS), high wire rim (1 known), and strike throughs (2 from PCGS) have made it to graders.
This particular coin grabbed some attention, see second attached image, by Numismatic News and some coin collectors posting on YouTube. Opinion has been given by Numismatic News that this error, while it may have some value, is a one-off and won't be listed in t